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FM Transmitter Measurement Report
Created: 2026-05-02 22-25-26
Measuring equipment: P75/P175/P275
http://pira.cz
Station Details
Frequency Signal Reception Station Name
90.90 MHz 5/5, 50 dBuV HELSINKI
Pilot RDS Phase Difference
7.6 kHz 3.3 kHz No phase relation found.
Frequency Deviation
Limit Measuring Tolerance
75,0 kHz 1,0 kHz
MIN Hold Max. Samples at Total Samples % above 76,0 kHz
10 kHz 70 kHz 19187 0,0313
Modulation Power
Limit Measuring Tolerance
12,0 dBr 0,2 dBr
MIN AVE MAX % above 12,2 dBr
0,2 dBr 2,25 dBr 3,4 dBr 0,0
Radio Data System
PS PI PTY TP TA  MS   DI   CT 
"HELSINKI" 6092 10 (Pop M) 1 0 1 7 --:--
RT
" Olet ystävien seurassa "
AF EON
90.9, 97.2, 105.2 MHz -
FM Scope Max at: 70 kHz MIN: 10 kHz % above 76 kHz: 0,0313 Acquired: 2026/05/02 22.24.22 Total samples: 19187 Equivalent time: 0:15:59 0 10 20 30 40 50 60 70 80 90 100 110 120 Frequency Deviation [kHz] 0 500 1000 1500
FM Scope MAX: 3,4 dBr MIN: 0,2 dBr AVE: 2,25 dBr % above 12,2 dBr: 0,0 Last value: 3,4 dBr (2026/05/02 22.24.22) 22.10 22.12 22.14 22.16 22.18 22.20 22.22 22.24 -1 0 1 2 3 4 Pm [dBr]